Home / 1,344.18-2,016.30-370.46

Finding the Fourth Proportional to 1,344.18, 2,016.30 and 370.46

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Solution

The fourth proportional to 1,344.18, 2,016.30 and 370.46 is: 555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.18 : 2,016.30 = 370.46 : x
  2. Step 2: Convert to fraction form
    1,344.18/2,016.30 = 370.46/x
  3. Step 3: Cross multiply
    1,344.18x = 2,016.30 × 370.46
  4. Step 4: Simplify right side
    1,344.18x = 746,958.50
  5. Step 5: Solve for x
    x = 746,958.50/1,344.18
  6. Step 6: Final answer
    x = 555.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.